What does code P1177 mean on Hyundai vehicles?
The ECU detects a malfunction in circuit 2 of the electronic throttle motor.
OBD-II Code Hyundai
P1177 — Hyundai — ETS Throttle Motor Circuit 2 Malfunction
The ECU detects a malfunction in circuit 2 of the electronic throttle motor.
Common symptoms
- Limp mode activation
- no throttle response
Possible causes
- Damaged wiring
- faulty throttle motor
Initial recommendation
Inspect throttle motor circuit 2 wiring and repair or replace components as needed.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine Hyundai code P1177 with your vehicle's actual symptoms for more complete diagnostic guidance.
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